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Flooding and Landslides In Northern Japan & Lionrock lingers near Okinawa

Severe Tropical Storm Mindulle is tracking north today over Hokkaido following its impact on Central Japan including Tokyo Monday. The storm brought numerous impacts and record breaking precipitation, check our live blog from Monday here for detailed information. 

Mindulle is just one of three storms which have been impacting the country. In total one person died and 46 people were injured as windstorms and torrential rain battered 6 prefectures. Most of the injuries were due to high winds and flying debris, one reason why we always stress to stay in doors during these storms. The severe weather forced the cancellation of more than 500 flights, and also disrupted train services including the derailment of a train in Western Tokyo. 

flood

Flooding in Hokkaido

Today those residents in Hokkaido whom had only in the past week been impacted by two other tropical storms Chanthu and Kompasu now deal with a continue threat of flooding and landslides. The over saturated ground on the island combined with the additional 100mm or more of rainfall will bring a heightened risk of landslides. The graphic below shows what areas that are at highest risk.

landslide threat

Also while on the topic of back to back storms in Hokkaido it is important to note the three storms to now hit the island is actually a record. Japans northern islands is not very typhoon prone, thus according to JMA this is the first time in a single season that the Northern Island was hit by three tropical storms.

track

Extended range? 

Lionrock is giving us its fair share of indecisiveness this past few days and will continue to do so as it lingers near the Southern Japanese islands through the coming week.

The storm is expected to drift just close enough to Okinawa to warrant residents there to be on guard yet just far enough away and with enough uncertainty that I wouldn’t be running to the emergency supply store just yet.

In fact recent models indicate it stopping short of Okinawa then turning north and following in the track of Mindulle over Tokyo and Hokkaido.  Which would be to be honest more of a logical scenario compared to the storm going south and then west.  This whole weather pattern is full of illogical setups though so for now time will tell.

Latest ECMWF TRACK

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